Can Ferric Sulfide Decompose into S8 Molecules and Ferric Ions?

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SUMMARY

The discussion confirms that ferric sulfide (FeS) does not decompose directly into S8 molecules and ferric ions. Instead, the oxidative decomposition of FeS primarily yields ferric oxide (Fe2O3) and sulfur dioxide (SO2) or sulfur trioxide (SO3), contingent on oxygen concentration. In low oxygen conditions, a gradual conversion of iron(III) sulfide (Fe2S3) to ferric oxide and elemental sulfur can occur, leading to the formation of S8 rings through oligomerization.

PREREQUISITES
  • Understanding of oxidative decomposition processes
  • Knowledge of ferric sulfide (FeS) and its chemical properties
  • Familiarity with sulfur compounds, specifically S8 and its formation
  • Basic principles of chemical reactions involving oxygen concentration
NEXT STEPS
  • Research the oxidative decomposition of ferric sulfide (FeS)
  • Study the formation and properties of ferric oxide (Fe2O3)
  • Explore the chemistry of sulfur dioxide (SO2) and sulfur trioxide (SO3)
  • Investigate the oligomerization process of elemental sulfur into S8
USEFUL FOR

Chemists, materials scientists, and students studying inorganic chemistry, particularly those interested in the behavior of sulfide compounds and their decomposition reactions.

olilee
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Hi! I was just wondering if the decomposition of ferric sulfide can break down into S8 molecules and ferric ions? Thanks in advance!
 
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Hello, I had skipped your message, sorry.

I think the oxidative decomposition of [tex]FeS[/tex] will only produce [tex]Fe_2O_3[/tex] and [tex]SO_2[/tex] or [tex]SO_3[/tex], depending on the oxygen concentration. If it is sufficiently low, then a very slow conversion of [tex]Fe_2S_3[/tex] to [tex]Fe_2O_3[/tex] and elemental sulfur, which oligomerizes into [tex]S_8[/tex] rings, might be possible.

Regards,
chem_tr
 
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